tools/perf/util/addr_location.c

Source file repositories/reference/linux-study-clean/tools/perf/util/addr_location.c

File Facts

System
Linux kernel
Corpus path
tools/perf/util/addr_location.c
Extension
.c
Size
980 bytes
Lines
42
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include "addr_location.h"
#include "map.h"
#include "maps.h"
#include "thread.h"

void addr_location__init(struct addr_location *al)
{
	al->thread = NULL;
	al->map = NULL;
	al->sym = NULL;
	al->srcline = NULL;
	al->addr = 0;
	al->level = 0;
	al->filtered = 0;
	al->cpumode = 0;
	al->cpu = 0;
	al->socket = 0;
	al->parallelism = 1;
}

/*
 * The preprocess_sample method will return with reference counts for the
 * in it, when done using (and perhaps getting ref counts if needing to
 * keep a pointer to one of those entries) it must be paired with
 * addr_location__exit(), so that the refcounts can be decremented.
 */
void addr_location__exit(struct addr_location *al)
{
	map__zput(al->map);
	thread__zput(al->thread);
}

void addr_location__copy(struct addr_location *dst, struct addr_location *src)
{
	thread__put(dst->thread);
	map__put(dst->map);
	*dst = *src;
	dst->thread = thread__get(src->thread);
	dst->map = map__get(src->map);
}

Annotation

Implementation Notes